Discover 7 remarkable underground cities worldwide! From ancient refuges like Derinkuyu to modern hubs like SubTropolis, ...

Discover rose-tinted valleys, towering ‘fairy chimneys’ and entire underground cities on a visit to this spectacular area of ...

Underground cities: Cappadocia is famous for its underground cities, which were used by early Christians to hide from persecution. These underground cities are vast and complex, with tunnels ...

New Underground City, Cappadocia, Turkey Credit: iStockphoto In 2014, a crew digging near Nevşehir broke into a tunnel that led to something much bigger.

One of around 200 underground cities in the Cappadocia region, the settlement was built to house thousands of people at a time, including their livestock, in case of an attack.